21464152

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 23325608

約数列:

[1, 2, 4, 8, 23, 31, 46, 53, 62, 71, 92, 106, 124, 142, 184, 212, 248, 284, 424, 568, 713, 1219, 1426, 1633, 1643, 2201, 2438, 2852, 3266, 3286, 3763, 4402, 4876, 5704, 6532, 6572, 7526, 8804, 9752, 13064, 13144, 15052, 17608, 30104, 37789, 50623, 75578, 86549, 101246, 116653, 151156, 173098, 202492, 233306, 302312, 346196, 404984, 466612, 692392, 933224, 2683019, 5366038, 10732076, 21464152]

約数ペア:

[(1, 21464152), (2, 10732076), (4, 5366038), (8, 2683019), (23, 933224), (31, 692392), (46, 466612), (53, 404984), (62, 346196), (71, 302312), (92, 233306), (106, 202492), (124, 173098), (142, 151156), (184, 116653), (212, 101246), (248, 86549), (284, 75578), (424, 50623), (568, 37789), (713, 30104), (1219, 17608), (1426, 15052), (1633, 13144), (1643, 13064), (2201, 9752), (2438, 8804), (2852, 7526), (3266, 6572), (3286, 6532), (3763, 5704), (4402, 4876)]